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The basis of the hydrogen plant system involves two main equipment, the hydrogen generator and power supply. Hydrogen generator consists of mechanical equipment and piping systems supporting the electrolysis process. Control systems and instruments are located near the generator. The control…
Thermopiles: Thermopile is a device that converts thermal energy into an electrical signal. A thermopile is composed of several thermocouples connected usually in series or rarely in parallel. A thermopile is a series of thermocouples interconnected in series, each of which consists of…
What is a deaerator? And deaerators are used for: The deaerators are normally used in any chemical process industry or in power plants where the boiler is used for the production of steam from the boiler feed water. The heating deaeration process…
What are solenoid actuators? Selenoid Equipment used to convert electrical signals or electric currents into mechanical linear motion. Made of the movable coil and iron core. The pulling and pushing strength is determined by the number of turns on the coil. An…
DCS function: DCS works as a tool to control a loop system where one loop can happen some control process. Working as a replacement of separate manual and auto control tools to be a unity to be easier for maintenance and…
What are thermostats? The thermostat is a device for adjusting the temperature of the system so that the system temperature is maintained near the desired setpoint temperature. The thermostat does this by switching the heating or cooling or deactivating the device or adjusting…
Why use Cascade control loop? In the process industry, many process requirements cannot be solved by simple loops, which rely solely on feedback control or feedforward control. Several types of processes that have very large time constants. Although the derivative unit has…
What is program scan and Scan time? A PLC operates by executing programs in PLC memory repeatedly. The instructions contained in the program are executed sequentially from beginning to end and continuously, and when the last instruction is executed, the operation will return and…
Smoke Detector is a tool for detecting smoke that arises from sources of fire. Smoke involves the thermal release of large quantities of solid and liquid particles into the surrounding atmosphere. These particles that are suspended in the air are termed aerosols. The aerosol…
The use of relay instructions is to regulate and control the status of bits in a data table, such as input bits or bit words for timer controls. These instructions are: XIC controls the bit for the ON condition XIO controls the…
